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Fabien Potencier
8da936a2e0
This PR was squashed before being merged into the 4.x branch.
Discussion
----------
Do not hide unnecessary escape characters
Follow up of #4176, #4123 and #2712.
Now that we have deprecated unnecessary escape in v3, we can change the behavior in v4.
With this change, unnecessary will no longer be ignored, but handled like any other character.
This allows for writing fully qualified class names like this:
```twig
{{ constant('App\Entity\User::SOME_CONSTANT') }}
```
Instead of having to escape the `\` in v3:
```twig
{{ constant('App\\Entity\\User::SOME_CONSTANT') }}
```
/cc `@fabpot` `@stof`
Commits
-------
53c24bfc Do not hide unnecessary escape characters
Twig, the flexible, fast, and secure template language for PHP
==============================================================
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